Cyrus IMAP 2.3.8 Release Notes¶
Changes to the Cyrus IMAP Server since 2.3.7
- Added improved_mboxlist_sort option which fixes LIST/LSUB problem with characters like '-' and ' ' in mailbox names. See imapd.conf.5 for details 
- Fixed problem with mupdate randomly spinning. 
- Fixed problem with DELETEing mailboxes with split metadata directories. 
- Fixed compatibility problem with RFC 4314 ACLs and mixed 2.2/2.3 environments. 
- Fixed problem with replication and COPYing Seen messages. 
- Fixed problem with replication and XFER. 
- Added options to reconstruct to preserve cyrus.expunge and to synchronize changes to a replica server. 
- Removed (broken) support for proxying of pipelined IMAP commands. 
- Added new cyr_dbtool utility for manipulating Cyrus databases (courtesy of Fastmail.fm). 
- Better sanity checking of IMAP URLs. 
- Fixed miscellaneous bugs and build issues.